Adding and Subtracting Integers

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero.

Front

What does it mean to add integers?

Back

Adding integers involves combining their values. If both integers are positive, the result is positive. If both are negative, the result is negative. If one is positive and one is negative, subtract the smaller absolute value from the larger absolute value and take the sign of the integer with the larger absolute value.

Front

What does it mean to subtract integers?

Back

Subtracting integers is the same as adding the opposite. For example, to subtract a negative integer, you add its positive counterpart.

Front

What is the result of adding a positive integer and a negative integer?

Back

The result depends on the absolute values of the integers. If the positive integer has a greater absolute value, the result is positive; if the negative integer has a greater absolute value, the result is negative.

Front

What is the result of -4 + 3?

Back

-4 + 3 = -1.

Front

What is the result of 5 - 19?

Back

5 - 19 = -14.

Front

What is the result of 16 - (-9)?

Back

16 - (-9) = 16 + 9 = 25.

Front

What does the expression -7 + 4 represent?

Back

It represents adding a negative integer (-7) and a positive integer (4), resulting in -3.

Front

How do you represent the equation -4 + 3 = -1 using integers?

Back

This equation shows that adding a negative integer (-4) and a positive integer (3) results in -1.

Front

What is the overall change if Theo had -$4 and then deposited $25?

Back

The overall change is $29.